May 22:

First round of de-duplication checks happens; organizations work together to try to resolve as many duplicates as possible.

May 24:

All mentors must be signed up and all student proposals matched with a mentor - 07:00 UTC

Student acceptance choice deadline.

IRC meeting to resolve any outstanding duplicate accepted students - 19:00 UTC #gsoc (organizations must send a delegate to represent them in this meeting regardless of if they are in a duplicate situation before the meeting.)

May 27:

19:00 UTC

Accepted student proposals announced on the Google Summer of Code 2013 site.

Firm 'pencils down' date. Mentors, students and organization administrators can begin submitting final evaluations to Google.

September 27:

19:00 UTC

Final evaluation deadline

September 27:

Students can begin submitting required code samples to Google

October 1:

Final results of Google Summer of Code 2013 announced

October 19 & 20:

Mentor Summit at Google: Representatives from each successfully participating organization are invited to Google to greet, collaborate and code. Our mission for the weekend: make the program even better, have fun and make new friends.